Deinostigma minutihamata (D.Wood) D.J.Middleton & H.J.Atkins, Gard. Bull.

Deinostigma minutihamata (D.Wood) D.J.Middleton & H.J.Atkins, Gard. Bull. View in CoL Singapore 68(1): 158. 2016. Chirita minutihamata D.Wood View in CoL , Notes Roy. Bot. Gard. Edinburgh 31: 370. 1972. Primulina minutihamata (D.Wood) Mich.Möller & A.Weber View in CoL , Taxon 60: 783. 2011. Type: VIETNAM, Kon Tum, Dak Glei district, Ngok Pa Not, 2300 m, 12.12.1946, E. Poilane 35803 (holo P [P00602518!] isotype P [P00602519!]). Fig. 4e–j View Fig

Vernacular name: (Vietnamese).

Subshrub or perennial herbs, to 40 cm tall. Stems decumbent, branched, densely pubescent with hairs of varying lengths, the longer hairs mostly eglandular but with scattered glandular hairs and small hooked hairs, glabrescent with age, peg-like bases of fallen leaves persistent. Leaves alternate, crowded towards branch apices, internodes 3–6 mm; petioles 1.7–4 cm long, densely pubescent with glandular and eglandular hairs; blade ovate to elliptic, 2.6–10.2 × 1.8–4 cm, 1.2–3 times as long as wide, base cuneate, rarely to obtuse, apex short acuminate, margins weakly crenate, secondary veins 4–5 on each side of midrib, densely pubescent above and beneath. Inflorescences axillary, few-flowered, sometimes only 1-flowered, to 8.2 cm long, all axes with longer glandular and eglandular hairs and shorter hooked hairs; peduncle to 2.7 cm long; bracts ovate, c. 13 × 7 mm, apex acuminate; pedicels 5–28 mm long. Calyx 5-lobed; lobes divided to base, narrowly ovate, 16–17 × 2–2.2 mm, apex acuminate, densely pubescent as on inflorescence axes. Corolla infundibuliform, 37– 52 mm long; pale blue to violet with few darker lines ventrally, lobes orbicular, apices rounded; tube 28–35 mm long; upper lobes c. 9 × 7 mm, lateral lobes c. 5 × 7 mm, lower lobe c. 7 × 7 mm, pubescent outside with glandular and eglandular hairs, glabrous inside. Fertile stamens 2; filaments slightly curved, c. 11.6 mm long, glabrous except sparsely pubescent at apex; anthers coherent, 1.4–2 × 3–5 mm, densely pubescent; staminodes 3, c. 8 mm long, pubescent at apex. Disc not seen. Ovary c. 13 mm long, densely glandular pubescent; style c. 15 mm long, densely glandular pubescent; stigma chiritoid, lower lip 2-lobed, c. 3 mm long. Capsules narrowly fusiform, straight, 2–3.5 cm long, sparsely pubescent. Seeds 0.4–0.5 × 0.15–0.2 mm.

Flowering & fruiting: Flowering from April–June and fruiting from July–December.

Habitat: Growing on rocks in primary forest.

Distribution: Endemic to Vietnam.

Specimens examined: VIETNAM, Kon Tum, Dak Glei district , Massif du Ngok Pan , 2300 m, 12.12.1946, Poilane 35781 ( P [ P03884219 ]; NW slope of Ngoc Linh mountain system above Long Nam village , 1700–1900 m, 04.04.1995, Averyanov, N. T . Hiep, P. K . Loc VH1165 ( P [ P03884218 ], E [ E00267299 ], HN [ HN0000031083 ]); W slope of Ngoc Linh mountain system on elevation to Ngoc Gua peak, 1900–2000 m, 10.04.1995, Averyanov, N. T . Hiep, P. K . Loc VH1316 ( P [ P03884217 ], HN [ HN0000031082 ]) . Lam Dong, Lac Duong district , Da Chay municipality, 29 km to NE from Dalat city, 2150 m, 01.05.1997, Averyanov, N. T . Hiep, P. K . Loc VH4492 ( HN [ HN0000031034 ]) . Quang Nam, Nam Tra My district, Tra Linh commune, Tra Cang village , N 15 ̊02'37.5'', E 108 ̊02'19.9'', 692 m, 18.06.2018, Quang 218 ( HN) .